package com.baize.mq.config;

import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.annotation.PostConstruct;

@Slf4j
@Configuration
@AllArgsConstructor
public class RabbitConfig {
//    private final RabbitTemplate rabbitTemplate;
    @Bean
    public MessageConverter messageConverter(){
        // 1.定义消息转换器
        Jackson2JsonMessageConverter jackson2JsonMessageConverter = new Jackson2JsonMessageConverter();
        // 2.配置自动创建消息id，用于识别不同消息，也可以在业务中基于ID判断是否是重复消息
        jackson2JsonMessageConverter.setCreateMessageIds(true);
        return jackson2JsonMessageConverter;
    }

//    @PostConstruct
//    public void init(){
//        rabbitTemplate.setReturnsCallback(returned -> {
//            log.error("触发return callback,");
//            log.debug("exchange: {}", returned.getExchange());
//            log.debug("routingKey: {}", returned.getRoutingKey());
//            log.debug("message: {}", returned.getMessage());
//            log.debug("replyCode: {}", returned.getReplyCode());
//            log.debug("replyText: {}", returned.getReplyText());
//        });
//    }
}
